diff --git a/yarn.lock b/yarn.lock
index 745109f..4b729e0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1495,7 +1495,7 @@ caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.npm.taobao.org/caseless/download/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
 
-chalk@2.4.2, chalk@^2.0.0, chalk@^2.4.2:
+chalk@2.4.2, chalk@^2.0.0:
   version "2.4.2"
   resolved "https://registry.npm.taobao.org/chalk/download/chalk-2.4.2.tgz?cache=0&sync_timestamp=1581846316501&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fchalk%2Fdownload%2Fchalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
   dependencies:
@@ -3944,6 +3944,10 @@ performance-now@^2.1.0:
   version "2.1.0"
   resolved "https://registry.npm.taobao.org/performance-now/download/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
 
+picocolors@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-0.2.1.tgz#570670f793646851d1ba135996962abad587859f"
+
 pify@^2.0.0:
   version "2.3.0"
   resolved "https://registry.npm.taobao.org/pify/download/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
@@ -4028,12 +4032,11 @@ postcss-value-parser@^4.0.0, postcss-value-parser@^4.0.2:
   resolved "https://registry.npm.taobao.org/postcss-value-parser/download/postcss-value-parser-4.0.3.tgz?cache=0&sync_timestamp=1582038149197&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fpostcss-value-parser%2Fdownload%2Fpostcss-value-parser-4.0.3.tgz#651ff4593aa9eda8d5d0d66593a2417aeaeb325d"
 
 postcss@^7.0.14, postcss@^7.0.16, postcss@^7.0.23, postcss@^7.0.5, postcss@^7.0.6:
-  version "7.0.27"
-  resolved "https://registry.npm.taobao.org/postcss/download/postcss-7.0.27.tgz?cache=0&sync_timestamp=1581994853208&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fpostcss%2Fdownload%2Fpostcss-7.0.27.tgz#cc67cdc6b0daa375105b7c424a85567345fc54d9"
+  version "7.0.39"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.39.tgz#9624375d965630e2e1f2c02a935c82a59cb48309"
   dependencies:
-    chalk "^2.4.2"
+    picocolors "^0.2.1"
     source-map "^0.6.1"
-    supports-color "^6.1.0"
 
 pretty-error@^2.1.1:
   version "2.1.1"
@@ -5102,7 +5105,7 @@ source-map@^0.5.0, source-map@^0.5.6, source-map@~0.5.0:
 
 source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.0, source-map@~0.6.1:
   version "0.6.1"
-  resolved "https://registry.npm.taobao.org/source-map/download/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
 
 spdy-transport@^3.0.0:
   version "3.0.0"